Bsi bs en 00498 2012

BS EN 498:2012 BSI Standards Publication Specification for dedicated liquefied petroleum gas appliances — Barbecues for outdoor use contact grills included BS EN 498:2012 BRITISH STANDARD National foreword This British Standard is the UK implementation of EN 498:2012 It supersedes BS EN 498:1998 which is withdrawn The UK participation in its preparation was entrusted to Technical Committee GSE/24, Dedicated LPG appliances A list of organizations represented on this committee can be obtained on request to its secretary This publication does not purport to include all the necessary provisions of a contract Users are responsible for its correct application © The British Standards Institution 2012 ISBN 978 580 68628 ICS 97.040.20 Compliance with a British Standard cannot confer immunity from legal obligations This British Standard was published under the authority of the Standards Policy and Strategy Committee on 31 January 2012 Amendments issued since publication Date Text affected BS EN 498:2012 EN 498 EUROPEAN STANDARD NORME EUROPÉENNE EUROPÄISCHE NORM January 2012 ICS 97.040.20 Supersedes EN 498:1997 English Version Specification for dedicated liquefied petroleum gas appliances Barbecues for outdoor use contact grills included Spécifications pour les appareils fonctionnant exclusivement aux gaz de pétrole liquéfiés - Barbecues utilisés en plein air y compris grilloirs par contact Festlegungen für Flüssiggasgeräte - Grillgeräte zur Verwendung im Freien einschließlich Kontaktgrillgeräte This European Standard was approved by CEN on 12 November 2011 CEN members are bound to comply with the CEN/CENELEC Internal Regulations which stipulate the conditions for giving this European Standard the status of a national standard without any alteration Up-to-date lists and bibliographical references concerning such national standards may be obtained on application to the CEN-CENELEC Management Centre or to any CEN member This European Standard exists in three official versions (English, French, German) A version in any other language made by translation under the responsibility of a CEN member into its own language and notified to the CEN-CENELEC Management Centre has the same status as the official versions CEN members are the national standards bodies of Austria, Belgium, Bulgaria, Croatia, Cyprus, Czech Republic, Denmark, Estonia, Finland, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway, Poland, Portugal, Romania, Slovakia, Slovenia, Spain, Sweden, Switzerland, Turkey and United Kingdom EUROPEAN COMMITTEE FOR STANDARDIZATION COMITÉ EUROPÉEN DE NORMALISATION EUROPÄISCHES KOMITEE FÜR NORMUNG Management Centre: Avenue Marnix 17, B-1000 Brussels © 2012 CEN All rights of exploitation in any form and by any means reserved worldwide for CEN national Members Ref No EN 498:2012: E BS EN 498:2012 EN 498:2012 (E) Contents Page Foreword 5 Scope 6 Normative references 6 Terms and definitions 7 4.1 4.2 Classification .12 Classification of gases used 12 Classification of appliances .12 5.1 5.2 5.3 5.4 5.4.1 5.4.2 5.5 5.6 5.6.1 5.6.2 5.7 5.8 5.9 5.10 5.10.1 5.10.2 5.10.3 5.11 5.11.1 5.11.2 5.12 5.13 5.14 5.15 5.16 5.17 5.18 5.19 5.20 Constructional characteristics 13 Conversion to different gases 13 Materials .13 Ease of cleaning 14 Strength 14 General 14 Characteristics of glass panels 14 Assembly 14 Stability 15 Stability of the appliance on a horizontal plane .15 Stability of the appliance placed on a slope .15 Soundness of the gas circuit assembly 15 Connections 16 Locking of wheels and castors 16 Taps .16 General 16 Taps with marked positions .17 Taps with variable positions 17 Control handles 17 Construction 17 Marking 17 Injectors 18 Ignition devices 18 Flame supervision devices 19 Burners 19 Grid 20 Turnspits 20 Appliance incorporating a gas cylinder 20 Durability of markings 21 Auxiliary energy 21 6.1 6.2 6.2.1 6.2.2 6.3 6.4 6.4.1 6.4.2 6.4.3 Performance characteristics 21 Soundness 21 Verification of heat inputs 21 Verification of individual nominal heat inputs 21 Verification of full heat input 22 Flame supervision devices 22 Safety of operation 22 Ignition, crosslighting 22 Flame stability 22 Resistance to draught 22 BS EN 498:2012 EN 498:2012 (E) 6.4.4 6.5 6.6 6.7 6.8 Resistance to overheating 22 Temperatures 22 Overheating of the gas cylinder(s) 23 Combustion 24 Sooting 24 7.1 7.1.1 7.1.2 7.1.3 7.2 7.2.1 7.2.2 7.2.3 7.2.4 7.2.5 7.2.6 7.2.7 7.2.8 7.2.9 7.2.10 7.2.11 7.2.12 7.2.13 7.2.14 7.2.15 7.2.16 7.2.17 7.2.18 7.2.19 7.2.20 7.3 7.3.1 7.3.2 7.3.3 7.3.4 7.3.5 7.3.6 7.3.7 7.3.8 7.3.9 Test methods 24 General 24 Test gases 24 Test pressures 25 Test procedures 26 Verification of the constructional characteristics 26 Conversion to different gases 26 Materials 26 Ease of cleaning 26 Strength 27 Assembly 27 Stability of the appliance 27 Soundness of the gas circuit assembly 28 Connections 28 Locking of wheels and castors 28 Taps 28 Control handles 28 Injectors 28 Ignition devices 28 Flame supervision devices 28 Burners 28 Grid 28 Turnspit 29 Appliances incorporating a gas cylinder(s) 29 Durability of markings 29 Auxiliary energy 29 Verification of the performance characteristics 29 Soundness 29 Verification of the nominal heat input 29 Flame supervision device 29 Safety of operation 30 Temperatures 32 Overheating of the gas cylinder 32 Combustion 33 Sooting 34 Durability of the marking 34 8.1 8.2 8.3 Marking 34 Appliance marking 34 Packaging marking 35 Instructions for assembly, use and maintenance 35 Annex A (normative) National situations 42 A.1 General 42 A.2 Categories marketed in the various countries and corresponding pressures 42 A.3 Types of connection used in various countries 44 A.4 Connection of appliances 46 Annex B (normative) Method of calculation of the nominal heat input 48 B.1 Heat input determination 48 B.2 Correction formulas for reference conditions 48 B.3 Use of wet gas meter 49 B.4 Pressure correction 49 BS EN 498:2012 EN 498:2012 (E) Annex C (normative) Composition of test gases 51 C.1 Gas used .51 C.2 Acceptance criteria for test gases .51 C.3 Purity .51 Annex D (informative) Mandatory sentences 52 D.1 English 52 D.2 French 52 D.3 German 52 D.4 Italian 53 D.5 Polish 53 D.6 Spanish 53 D.7 Dutch .54 D.8 Czech 54 D.9 Greek .54 D.10 Hungarian .55 D.11 Portuguese 55 D.12 Swedish 55 D.13 Danish 56 D.14 Finnish 56 D.15 Lithuanian .56 D.16 Norwegian 57 D.17 Slovak 57 D.18 Estonian 57 D.19 Latvian 58 D.20 Slovenian 58 D.21 Icelandic .58 D.22 Maltese 59 D.23 Romanian .59 Annex ZA (informative) Clauses of this European Standard addressing essential requirements or other provisions of EU Directives 60 Bibliography 63 BS EN 498:2012 EN 498:2012 (E) Foreword This document (EN 498:2012) has been prepared by Technical Committee CEN/TC 181 “Dedicated liquefied petroleum gas appliances”, the secretariat of which is held by AFNOR This European Standard shall be given the status of a national standard, either by publication of an identical text or by endorsement, at the latest by July 2012, and conflicting national standards shall be withdrawn at the latest by July 2013 Attention is drawn to the possibility that some of the elements of this document may be the subject of patent rights CEN [and/or CENELEC] shall not be held responsible for identifying any or all such patent rights This document supersedes EN 498:1997 This document has been prepared under a mandate given to CEN by the European Commission and the European Free Trade Association, and supports essential requirements of EU Directive(s) For relationship with EU Directive(s), see informative Annex ZA which is an integral part of this document The main changes compared to the former version are the following:  approved quick self closing connection used for auxiliary burners are not subjected to the obligation of being manufactory mounted;  clearer specifications for lighting and cross lighting when more than one burner are in a same enclosure, use of flash tube;  introduction of a logo or warning forbidding cylinders in places of the appliance not designed for cylinder storage;  rewording of the test for checking over heating of gas cylinder compartment;  addition of a warning about the updating of information relating to national situations;  addition of an annex listing the mandatory sentences to be written on appliances, packaging and in instructions in the various CEN members countries languages Items relating to quality assurance systems, production testing and particularly certificates of conformity of auxiliary equipment are not covered by this European Standard Particular attention should be paid to the quality of non metallic materials used in the construction of these appliances A European Standard specifying requirements for "Rubber materials for seals and diaphragms for gas appliances and equipment" has been prepared by CEN TC 108 (EN 549) A European Standard for "Flexible hose, tubing and assembles for use with butane or propane in the vapour phase" is being prepared According to the CEN/CENELEC Internal Regulations, the national standards organizations of the following countries are bound to implement this European Standard: Austria, Belgium, Bulgaria, Croatia, Cyprus, Czech Republic, Denmark, Estonia, Finland, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway, Poland, Portugal, Romania, Slovakia, Slovenia, Spain, Sweden, Switzerland, Turkey and the United Kingdom BS EN 498:2012 EN 498:2012 (E) Scope This European Standard specifies the constructional and performance characteristics, safety specifications, relevant test methods and marking of barbecues burning liquefied petroleum gas, referred to in the body of the text as "appliances" This European Standard covers barbecues as defined in 3.6 and contact grills as defined in 3.8, used outdoors and operating with the gases indicated in 4.1 according to the categories indicated in 4.2 They are fitted with at least one cooking device This European Standard applies to these appliances and their functional sections whether or not the latter are independent or incorporated into an assembly This European Standard also applies to appliances designed to be built-in This European Standard only applies to type testing Appliances supplied with third family gas at pressures greater those defined in 4.2 are outside the field of application of this European Standard During the consideration of this text, it was apparent that the concept of thermal efficiency with regard to appliances such as barbecues was not appropriate This is because:  during cooking, there is an additional transfer of heat due to the meat juices falling onto the refractories;  there is no relation between the item to be cooked and the useful area;  the barbecue is an outdoor appliance in which the action of the wind is important in relation to efficiency In consequence there is no specific requirement covering thermal efficiency for this type of appliance This European Standard does not state all applicable requirements for integral equipments of other nature (for example burners covered by EN 484) Normative references The following referenced documents are indispensable for the application of this document For dated references, only the edition cited applies For undated references, the latest edition of the referenced document (including any amendments) applies EN 125, Flame supervision devices for gas burning appliances — Thermoelectric flame supervision devices EN 126, Multifunctional controls for gas burning appliances EN 437:2003+A1:2009, Test gases — Test pressures — Appliance categories EN 10226-1, Pipe threads where pressure tight joints are made on the threads — Part 1: Taper external threads and parallel internal threads — Dimensions, tolerances and designation EN 10226-2, Pipe threads where pressure tight joints are made on the threads — Part 2: Taper external threads and taper internal threads — Dimensions, tolerances and designation BS EN 498:2012 EN 498:2012 (E) EN 60335-1, Household and similar electrical appliances — Safety — Part 1: General requirements (IEC 60335-1, modified) EN ISO 228-1, Pipe threads where pressure-tight joints are not made on the threads — Part 1: Dimensions, tolerances and designation (ISO 228-1) Terms and definitions For the purposes of this document, the following terms and definitions apply 3.1 cooking devices component parts of the appliance designed to hold or receive the food to be cooked (grids, turnspits, plates, etc.) 3.2 detachable can be dismantled without using a tool 3.3 appliance incorporating a gas cylinder appliance whose body or support includes a compartment for a liquefied petroleum gas cylinder, or a fixing or support device for this cylinder 3.4 built-in appliance appliance designed to be built into a brick or similar structure 3.5 auxiliary equipment component and device acting directly or indirectly on the gas rate 3.6 barbecue appliance principally designed to roast and/or grill foodstuffs NOTE Cooking is achieved by the action of radiant heat and, possibly by convection and/or conduction 3.7 movable barbecue barbecue fitted with at least one wheel enabling it to be moved easily on the ground 3.8 contact grill, plancha appliance designed to grill foodstuffs by conduction 3.9 locking of an adjuster immobilisation by the manufacturer or by an installer of an adjuster, in its adjustment position by any means (a screw, etc.) 3.10 turnspit cooking device enabling the rotation of the food to be roasted BS EN 498:2012 EN 498:2012 (E) NOTE Its rotation can be effected manually or using a mechanical or electrical motor 3.11 burner component that allows the gas to burn NOTE It may be one of two types: − non-aerated burner, in which the air for combustion is entrained entirely at the burner outlet; − aerated burner, in which part of the air for combustion, termed primary air, is entrained by the gas flow and mixed before the burner outlet; the remainder of the air, termed secondary air, is drawn in after the burner outlet 3.12 ignition burner small burner whose flame is designed to light another burner NOTE They are called "pilots" in this European Standard 3.13 sooting phenomenon appearing during incomplete combustion and characterized by a deposit of carbon on surfaces in contact with the flame or the products of combustion 3.14 pressure couple combination of two distinct gas distribution pressures applied by reason of the significant difference existing between the Wobbe indices within a single family or group in which:  the higher pressure corresponds only to gases of low Wobbe index;  the lower pressure corresponds to gases of high Wobbe index [EN 437:2003+A1:2009] 3.15 heat input Q quantity of energy used in unit time corresponding to the volumetric or mass flow rates, the calorific value used being either the net or gross calorific value NOTE The heat input is expressed in kilowatts (kW) [EN 437:2003+A1:2009] 3.16 nominal heat input of a burner Qn value of the heat input declared by the manufacturer NOTE Adapted from EN 437:2003+A1:2009 3.17 mass flow rate M mass of gas consumed by the appliance in unit time during continuous operation BS EN 498:2012 EN 498:2012 (E) Annex D (informative) Mandatory sentences D.1 English 1) "Use outdoors only" 2) "Read the instructions before using the appliance" 3) "WARNING: accessible parts may be very hot Keep young children away" 4) "This appliance must be kept away from flammable materials during use" 5) "Do not move the appliance during use" 6) "Turn off the gas supply at the gas cylinder after use" 7) “Do not modify the appliance” D.2 French 1) "A n'utiliser qu'à l'extérieur des locaux” 2) "Consulter la notice avant l'utilisation" 3) "ATTENTION : des parties accessibles peuvent être très chaudes Eloigner les jeunes enfants" 4) "Cet appareil doit être éloigné des matériaux inflammables durant l'utilisation" 5) "Ne pas déplacer l’appareil pendant l’utilisation" 6) "Fermer le robinet du récipient de gaz après usage" 7) “Ne pas modifier l’appareil” D.3 German 52 1) "Nur im Freien verwenden" 2) "Lesen Sie die Bedienungsanleitung vor Inbetriebnahme des Gerätes" 3) "ACHTUNG: Zugängliche Teile kưnnen sehr heiß sein Kinder fernhalten" 4) "Das Gerät muss während des Betriebs von brennbaren Materialien BS EN 498:2012 EN 498:2012 (E) ferngehalten werden" 5) "Das Gerät während des Betriebes nicht bewegen" 6) "Nach Gebrauch das Schließventil der Gasflasche schließen" 7) "Das Gerät nicht verändern!" D.4 Italian 1) 2) 3) 4) 5) 6) 7) D.5 Polish 1) “Stosować tylko na wolnej przestrzeni” 2) “Przeczytaj instrukcję przed użyciem urządzenia” 3) “OSTRZEŻENIE: dostępne części urządzenia mogą być bardzo gorące Trzymaj dzieci z dala od urządzenia” 4) “Stosować z dala od materiałów łatwopalnych” 5) “Nie przesuwać urządzenia w trakcie jego działania” 6) “Po użyciu należy zakręcić zawór na butli z gazem” 7) “Nie wolno zmieniać konstrukcji urządzenia” D.6 Spanish 1) 2) 3) 4) 53 BS EN 498:2012 EN 498:2012 (E) 5) 6) 7) D.7 Dutch 1) “Alleen buiten gebruiken.” 2) “Lees de instructies voor ingebruikname.” 3) “WAARSCHUWING: Aanraakbare delen kunnen erg heet zijn Houdt jonge kinderen op afstand.” 4) “Dit toestel gedurende gebruik verwijdert houden van ontvlambare materialen.” 5) “Toestel niet verplaatsen tijdens gebruik.” 6) “Gastoevoer op de gasfles afsluiten na gebruik.” 7) “Toestel niet aanpassen of modificeren.” D.8 Czech 1) “Používat pouze ve venkovním prostředí“ 2) “Před použitím spotřebiče přečíst návod” 3) “UPOZORNĚNÍ: Přístupné části mohou být velmi horké Zamezte přístupu dětí” 4) “Tento spotřebič musí být umísťován mimo dosah hořlavých materiálů” 5) “Během provozu spotřebičem nepohybovat” 6) “Po použití uzavřít přívod paliva na lahvi na plyn” 7) “Jakékoliv úpravy spotřebiče mohou být nebezpečné” D.9 Greek 1) 2) 3) 4) 54 BS EN 498:2012 EN 498:2012 (E) 5) 6) 7) D.10 Hungarian 1) “Csak kültéri használatra” 2) “Olvassa el a használati előírást a készülék használatba vétele előtt” 3) “FIGYELEM: a hozzáférhető részek kisgyermekeket tartsuk távol tőle.” 4) “A készülék használata során az éghető anyagokat tartsuk távol.” 5) “Ne mozdítsa el a készüléket használat közben.” 6) “Használat után zárja el a gázpalackot.” 7) “A készüléken végzett mindenfajta módosítás veszélyes lehet.” nagyon forróak lehetnek A D.11 Portuguese 1) "Utilizar apenas no exterior" 2) "Consultar o manual de instruỗừes antes da utilizaỗóo" 3) "ATENầO: existem partes acessớveis que podem estar quentes Afastar as crianỗas" 4) "Este aparelho deve estar afastado dos materiais inflamáveis durante a utilizaỗóo" 5) "Nóo deslocar o aparelho durante a utilizaỗóo" 6) "Fechar a alimentaỗóo de gỏs depois uso" 7) "Nóo modificar o aparelho" D.12 Swedish 1) 2) 3) 4) 55 BS EN 498:2012 EN 498:2012 (E) 5) 6) 7) D.13 Danish 1) 2) 3) 4) 5) 6) 7) D.14 Finnish 1) 2) 3) 4) 5) 6) 7) D.15 Lithuanian 1) 2) 3) 4) 5) 6) 56 BS EN 498:2012 EN 498:2012 (E) 7) D.16 Norwegian 1) 2) 3) 4) 5) 6) 7) D.17 Slovak 1) 2) 3) 4) 5) 6) 7) D.18 Estonian 1) 2) 3) 4) 5) 6) 7) 57 BS EN 498:2012 EN 498:2012 (E) D.19 Latvian 1) 2) 3) 4) 5) 6) 7) D.20 Slovenian 1) “Samo za uporabo na prostem” 2) “Pred uporabo aparata preberite navodila 3) “OPOZORILO : Dostopni deli so lahko zelo vroči Uporabljajte zunaj dosega otrok” 4) “Aparata ne uporabljajte v bližini vnetljivih materialov” 5) “Med uporabo aparata ne premikajte” 6) “Po uporabi zaprite ventil na plinski jeklenki” 7) “Ne spreminjajte aparata” D.21 Icelandic 1) 2) 3) 4) 5) 6) 7) 58 BS EN 498:2012 EN 498:2012 (E) D.22 Maltese 1) 2) 3) 4) 5) 6) 7) D.23 Romanian 1) A se utiliza numai ỵn exterior 2) A se citi instrucţiunile ỵnainte de utilizare 3) ATENŢIE: Părţile accesibile pot fi calde A se ţine copiii mici departe 4) Acest aparat, ỵn timpul utilizării, trebuie ţinut departe de materiale inflamabile 5) A nu se deplasa aparatul ợn timpul utilizri 6) ẻnchidei robinetul buteliei dup utilizare 7) Nu modificaţi aparatul 59 BS EN 498:2012 EN 498:2012 (E) Annex ZA (informative) Clauses of this European Standard addressing essential requirements or other provisions of EU Directives This European Standard has been prepared under a mandate given to CEN by the European Commission and the European Free Trade Association and supports essential requirements of EU Directives WARNING — Other requirements and other EU Directives may be applicable to the products falling within the scope of this standard The following clauses of this standard are likely to support requirements of Directive 2009/142/EEC "Gas appliances" Compliance with the clauses of this standard provides one means of conforming to the specific essential requirements of the Directive concerned and associated EFTA regulations Table ZA.1 — Correspondence between this European Standard and Directive 2009/142/EEC Essential requirement Subject Requirements in the standard Comments Annex 1 General conditions 1.1 Safety of operation 1.2 Marking and instructions 1.2.1 Installation instructions ) Users instructions ) Warnings ) - Annex E Official languages ) Information instructions in the technical ) ) 8.3 ) ) 60 Fresh air supply - not applicable BS EN 498:2012 EN 498:2012 (E) Table ZA.1 (continued) Essential requirement Subject Requirements standard 1.2.2 Content of the users maintenance instructions 1.2.3 Appliance and packing marking 1.3 Fittings Materials 2.1 Characteristics 5.2 2.2 Guarantee and Foreword Design and construction 3.1 General 3.1.1 Distortion, breakage and wear 3.1.2 Condensation 3.1.3 Risk of explosion 3.1.4 Air and water penetration 3.1.5 Normal fluctuation of auxiliary energy 5.20 3.1.6 Abnormal energy 5.20 3.1.7 Electrical risks 3.1.8 Pressurized parts 3.1.9 Failure of safety devices: Flame supervision devices 5.14 3.1.10 Safety and controlling devices 5.14 3.1.11 Protection of parts adjusted by the manufacturer 5.1 - 5.3 3.1.12 Marking of handles and of control or adjusting devices 5.11 in the Comments and 5.12 - 5.19 - 8.1 - 8.2 Not applicable fluctuation 5.2 - 5.3 - 5.4 - 5.5 - 5.6 5.8 - 5.9 - 5.10 - 5.13 - 5.15 - 5.16 - 5.17 - 5.18 - 6.4.4 6.5 a), b), c), d) and f) Not applicable 5.7 - 6.1 of Not applicable auxiliary 5.20 Not applicable 61 BS EN 498:2012 EN 498:2012 (E) Table ZA.1 (continued) 62 Essential requirement Subject Requirements standard in the Comments 3.2 Unburned gas release 3.2.1 Gas leakage rate 5.7 - 5.8 - 5.15 - 6.1 3.2.2 Accumulation in the appliance 5.14 - 6.3 - 6.4.1 3.2.3 Accumulation in rooms 3.3 Ignition 3.4 Combustion 3.4.1 Flame stability - Concentration of substances hazardous to health in the products of combustion 3.4.2 Accidental release of combustion products Not applicable 3.4.3 Abnormal draught conditions Not applicable 3.4.4 Quantity of CO in the room (flueless heaters and water heaters) Not applicable 3.5 Rational use of energy Not applicable 3.6 Temperatures 3.6.1 Floor and adjacent surfaces 6.5 e) 3.6.2 Control handles 6.5 d) 3.6.3 Temperatures of external surfaces 8.1 3.7 Materials in contact with food and sanitary water 5.2 Annexe II and Foreword Annexe III 8.1 Not applicable 5.13 - 6.4.1 6.4.2 - 6.4.3 - 6.7 - 6.8 "Potable water": not applicable BS EN 498:2012 EN 498:2012 (E) Bibliography [1] EN 484, Specification for dedicated liquefied petroleum gas appliances  Independent hotplates, including those incorporating a grill for outdoor use [2] EN 1949, Specification for the installation of LPG systems for habitation purposes in leisure accommodation vehicles and accommodation purposes in other vehicles [3] EN ISO 3166-1:2006, Codes for the representation of names of countries and their subdivisions — Part 1: Country codes (ISO 3166-1:2006) [4] DECISION No 768/2008/EC OF THE EUROPEAN PARLIAMENT AND OF THE COUNCIL of July 2008 on a common framework for the marketing of products, and repealing Council Decision 93/465/EEC [5] REGULATION (EC) No 1935/2004 OF THE EUROPEAN PARLIAMENT AND OF THE COUNCIL of 27 October 2004 on materials and articles intended to come into contact with food and repealing Directives 80/590/EEC and 89/109/EEC 63 This page deliberately left blank This page deliberately left blank NO COPYING WITHOUT BSI PERMISSION EXCEPT AS PERMITTED BY COPYRIGHT LAW British Standards Institution (BSI) BSI is the national body responsible for preparing British Standards and other standards-related publications, information and services BSI is incorporated by Royal Charter British Standards and other standardization products are published by BSI Standards Limited About us 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